зеркало из https://github.com/mozilla/gecko-dev.git
68 строки
2.0 KiB
C++
68 строки
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef mozilla_gfx_SFNTNameTable_h
|
|
#define mozilla_gfx_SFNTNameTable_h
|
|
|
|
#include "mozilla/Function.h"
|
|
#include "mozilla/UniquePtr.h"
|
|
#include "mozilla/Vector.h"
|
|
#include "u16string.h"
|
|
|
|
namespace mozilla {
|
|
namespace gfx {
|
|
|
|
struct NameHeader;
|
|
struct NameRecord;
|
|
|
|
typedef Vector<function<bool(const NameRecord*)>> NameRecordMatchers;
|
|
|
|
class SFNTNameTable final
|
|
{
|
|
public:
|
|
|
|
/**
|
|
* Creates a SFNTNameTable if the header data is valid. Note that the data is
|
|
* NOT copied, so must exist for the lifetime of the table.
|
|
*
|
|
* @param aNameData the Name Table data.
|
|
* @param aDataLength length
|
|
* @return UniquePtr to a SFNTNameTable or nullptr if the header is invalid.
|
|
*/
|
|
static UniquePtr<SFNTNameTable> Create(const uint8_t *aNameData,
|
|
uint32_t aDataLength);
|
|
|
|
/**
|
|
* Gets the full name from the name table. If the full name string is not
|
|
* present it will use the family space concatenated with the style.
|
|
* This will only read names that are already UTF16.
|
|
*
|
|
* @param aU16FullName string to be populated with the full name.
|
|
* @return true if the full name is successfully read.
|
|
*/
|
|
bool GetU16FullName(mozilla::u16string& aU16FullName);
|
|
|
|
private:
|
|
|
|
SFNTNameTable(const NameHeader *aNameHeader, const uint8_t *aNameData,
|
|
uint32_t aDataLength);
|
|
|
|
bool ReadU16Name(const NameRecordMatchers& aMatchers, mozilla::u16string& aU16Name);
|
|
|
|
bool ReadU16NameFromRecord(const NameRecord *aNameRecord,
|
|
mozilla::u16string& aU16Name);
|
|
|
|
const NameRecord *mFirstRecord;
|
|
const NameRecord *mEndOfRecords;
|
|
const uint8_t *mStringData;
|
|
const uint32_t mStringDataLength;
|
|
};
|
|
|
|
} // gfx
|
|
} // mozilla
|
|
|
|
#endif // mozilla_gfx_SFNTNameTable_h
|